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Riels Instruments
TCS_Compact_Temperature_switches_Riels

TCS_Compact_Temperature_switches_Riels

Product catalog summary

Compact Temperature Switches Overview
Riels Instruments offers compact temperature switches designed for weatherproof applications. These switches are constructed with a high degree of protection (IP65, NEMA 4) and adhere to electrical safety class I standards (EN61298-2:1997-06). An optional protection mode provides intrinsic safety for gas and dust environments.

Specifications

Material and Construction: The case and cover are made from copper-free aluminium alloy with a tamper-proof device and epoxy exterior painting in grey.
Cable Entry: Standard cable entry is 1/2-14 NPT-F.
Terminal Block: Suitable for wire sections of 1.5 mm² (minimum 0.5 mm²) with insulating material meeting VDE standards.
Earthing: Includes one internal and one external earthing screw, supporting a maximum earthing wire section of 4 mm².

Temperature and Sensor Details

Vapor Tension System: Complies with SAMA IIC or IIA standards, featuring an AISI 316 bulb with a temperature range of -30 to +250°C.
Repeatability: Better than 1% of span.
Scale and Sensor Types: Direct sensor type B and remote sensors type C, Q, R are available.
Ambient Temperature: Operative limits range from -40 to +85°C.

Compliance and Directives

Complies with Directive B.T. 73/23 CEE and 93/68 CEE.
ATEX Directive 94/9 EC Group II Cat. 1GD Annex III and IV compliance.
In accordance with ISA S51.1 standards.

Ordering Information
When ordering, specify the model code, setting range, pressure connection thread, cable entry thread, and any options or versions required.

Catalog excerpts

TCS_Compact_Temperature_switches_Riels-1

Compact temperature switches Weatherproof Execution Electric Construction Electric construction: weatherproof Degree of protection: IP65 (NEMA 4). Electrical safety class: class I (EN61298-2:1997-06) Protection mode (option): Intrinsically Safety Case and cover: copper free aluminium alloy threaded coupling with tamper proof device. Epoxy exterior painting, grey colour Cable entry: 1/2-14 NPT-F (std) (see point 4). Terminal block: suitable for wires section 1,5 mm2 (minimum 0,5 mm2). Insulating material toVDE standard. Earthing screws: one inside, one outside. Max section of earthing wires: 4 mm2. Electric contacts (see point 1.4) One micro, SPDT or DPDT with fixed dead band. vapor tension system to SAMA IIC or HA, consisting of - Connection AISI 304 compression fitting with adjustable insertion length. - Capillary AISI 3 I 6 with stainless steel flexible armor Set point adjustable throughout the range. Repeatability: better than I % of span. Scale: the instrument is fitted as std. with an approximate scale of the set point indication. - Remote at surface (std.) or 2" pipe (with optional bracket), sensors type C, Q, R. Ambient temperature (operative limit1): Directive ATEX 94/9 EC Group II Cat. I GD Annex III and IV. iVrPX GAS Bc-ia DUST Ex-iaD REMOTE (SENSORTYPE "C/Q/R") DIRECT (SENSORTYPE "B") Riels Instruments Sri . W +39 049 8961771 - A +39 049 7l7368 .www.riels.it. [email protected]

Open the catalog to page 1

TCS_Compact_Temperature_switches_Riels-2

Model code - Setting range - Pressure connection thread - Cable entry thread - Options if any - Versions. MODEL CODE Micro B and C only. © Micro B, C and H only. height between bulb/enclosure: Y can be varied up to Y max. THE LENGTH K A VAILABLE WILL BE REDUCED accordingly.

Open the catalog to page 2

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